Personalized World’s Best Karaoke Singer Daddy Baby Bodysuit. My Daddy is the World’s Best Karaoke Singer Baby Bodysuit - White has cute world’s best design with slogan for the son or daughter of a Karaoke Singer. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.